OpenTechnical

OT-2026-000029799

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000029799) never changes.

Identity and time

Publication numberOT-2026-000029799 · never reused
Internal UUID01a0ae73-5e24-7a10-a45a-e228e87935a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029799
StatusPUBLIC

Content hashes

Canonical text8d4d00a142b0ae6be80d2262c8e3144f59b416daa82cab20ebe554d1128292b2
Markdownb9bf8ce95d94b39dd74252b14afd8fdce3493a6c37c5fd4dacb9590306fa2990
PDF
Publication pagedf4c42cb8175293f387d3fb96fb3ba57ca504c2864eb175f941c22e83c13e73b
Manifest6afbeb802812e3fbc72eae9d9a0e3be88d73a749afb3db3454d77746ad243705

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturecHgZGBNyHHjV0fpo/eCWrYTwyJdCcGhIURjayEhxjGRN6a82Vebk1AMrYs6o2OtAiU0waqzlEUvF3/TLx7f+BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:10.750667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029799
observed df4c42cb8175293f387d3fb96fb3ba57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.734645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029799/manifest.json
observed 6afbeb802812e3fbc72eae9d9a0e3be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.715350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029799/publication.md
observed b9bf8ce95d94b39dd74252b14afd8fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.696402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029799/publication.txt
observed 8d4d00a142b0ae6be80d2262c8e3144f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.